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1 Hardware Overview 1.3 2.5-inch Hard Disk Drive
1.3 2.5-inch Hard Disk Drive
The internal HDD is a random access non-volatile storage device. It has a non-removable 2.5-
inch magnetic disk and mini-Winchester type magnetic heads. The computer supports HDDs up
to 120 GB.
The HDD is shown in Figure 1-1. Specifications are listed in Table 1-1
Figure 1-1 2.5-inch HDD
Items 40GB 60GB 80GB 100GB
Formatted capacity (GB) 37.26 55.89 74.52 93.15
Logical Blocks (LBA) 78,125,000 117,187,500 156,301,488 195,371,568
Rotational speed (rpm) 4,200/5400 4,200/5400 4200/5400 4200/5400
Toshiba HDD Buffer (MB) 8/16 8/16 8/16 8/16
Hitachi HDD Buffer (MB) 2/8 8/8 8/8 NA/8
Bytes per sector 512 512 512 512
Table 1-1 2.5-inch HDD specifications
1-12
[CONFIDENTIAL]
Satellite M60 Maintenance Manual